Robert Charles Ryan
107Patents
81h-index
52Co-inventors
93Inventor score
Filing activity: May 28, 1982 → Feb 4, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7077199B2 | In situ thermal processing of an oil reservoir formation | Fixed Constructions | 323 | Expired |
| US6782947B2 | In situ thermal processing of a relatively impermeable formation to increase permeability of the formation | Fixed Constructions | 312 | Expired |
| US6712136B2 | In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing | Emerging Cross-Sectional Technologies | 311 | Expired |
| US7096942B1 | In situ thermal processing of a relatively permeable formation while controlling pressure | Emerging Cross-Sectional Technologies | 306 | Expired |
| US5391291A | Hydrogenation catalyst and process | Performing Operations; Transporting | 300 | Expired |
| US6581684B2 | In Situ thermal processing of a hydrocarbon containing formation to produce sulfur containing formation fluids | Emerging Cross-Sectional Technologies | 298 | Expired |
| US7040400B2 | In situ thermal processing of a relatively impermeable formation using an open wellbore | Fixed Constructions | 288 | Expired |
| US6688387B1 | In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon condensate | Emerging Cross-Sectional Technologies | 285 | Expired |
| US6742588B2 | In situ thermal processing of a hydrocarbon containing formation to produce formation fluids having a relatively low olefin content | Emerging Cross-Sectional Technologies | 278 | Expired |
| US6591906B2 | In situ thermal processing of a hydrocarbon containing formation with a selected oxygen content | Emerging Cross-Sectional Technologies | 274 | Expired |
| US6745831B2 | In situ thermal processing of a hydrocarbon containing formation by controlling a pressure of the formation | Emerging Cross-Sectional Technologies | 271 | Expired |
| US6722431B2 | In situ thermal processing of hydrocarbons within a relatively permeable formation | Emerging Cross-Sectional Technologies | 271 | Expired |
| US6722429B2 | In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas | Emerging Cross-Sectional Technologies | 269 | Expired |
| US6752210B2 | In situ thermal processing of a coal formation using heat sources positioned within open wellbores | Emerging Cross-Sectional Technologies | 264 | Expired |
| US6719047B2 | In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment | Emerging Cross-Sectional Technologies | 258 | Expired |
| US6702016B2 | In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer | Emerging Cross-Sectional Technologies | 258 | Expired |
| US6880633B2 | In situ thermal processing of an oil shale formation to produce a desired product | Fixed Constructions | 255 | Expired |
| US6729395B2 | In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat sources to production wells | Emerging Cross-Sectional Technologies | 255 | Expired |
| US6745837B2 | In situ thermal processing of a hydrocarbon containing formation using a controlled heating rate | Emerging Cross-Sectional Technologies | 254 | Expired |
| US6739394B2 | Production of synthesis gas from a hydrocarbon containing formation | Emerging Cross-Sectional Technologies | 252 | Expired |
| US6588504B2 | In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids | Emerging Cross-Sectional Technologies | 251 | Expired |
| US6732794B2 | In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content | Emerging Cross-Sectional Technologies | 246 | Expired |
| US6698515B2 | In situ thermal processing of a coal formation using a relatively slow heating rate | Fixed Constructions | 246 | Expired |
| US6725920B2 | In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of total organic carbon into hydrocarbon products | Emerging Cross-Sectional Technologies | 246 | Expired |
| US6715548B2 | In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids | Emerging Cross-Sectional Technologies | 245 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.